Special Issue "Shape Memory Alloys 2014"
A special issue of Metals (ISSN 2075-4701).
Deadline for manuscript submissions: 28 February 2015
Prof. Dr. Kurt R. Ziebeck
Department of Physics, Cavendish Laboratory, University of Cambridge, CB3, 0HE, UK
Interests: neutron scattering; low temperature physics; strongly correlated systems; magnetism; functional materials; spintronics; novel materials; spintronics
More than half a century has elapsed since research on Au-Cd alloys stimulated world-wide interest in shape memory and super-elastic behavior. Both the microscopic and mesoscopic transformation processes associated with the essential martensitic phase transition have been extensively studied in a wide range of materials. Consequently, these materials are finding use as sensors, actuators, etc., in fields as diverse as medicine and aviation. Although the phase transition is usually thermally or mechanically driven, more recent research has focused on the ability to achieve this using magnetic fields in ferromagnetic alloys. However, many of the materials studied are brittle which would appear to limit their application. This constraint may be overcome by incorporating the materials in hybrid composites. The possibility of doing this, or incorporating shape memory alloys with other smart materials, opens up new areas of fundamental and applied research.
Prof. Dr. Kurt R Ziebeck
Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. Papers will be published continuously (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.
Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are refereed through a peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Metals is an international peer-reviewed Open Access quarterly journal published by MDPI.
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- shape memory
- phase transitions
- transport properties
- xray and electron scattering
- smart materials
The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.
Authors: Tina Fichtner, ChanghaiWang and Claudia Felser *
Affiliation: Max-Planck-Institute for Chemical Physics of Solids, Noethnitzer Str. 40, 01187 Dresden, Germany
Abstract: We report on the effects of annealing on the martensitic phase transition
in the Ni-based Heusler system: bulk Ni-Mn-Sn and Co-Ni-Ga nanoparticles. For
the powdered Ni-Mn-Sn, structural and magnetic measurements reveal that re-annealing
reduces the martensitic phase transformation. This might be associated with a release
of internal stress in Ni-Mn-Sn compound during the annealing process. Whereas in the
case of Co-Ni-Ga nanoparticles, a vice versa phenomenon is observed. The as-prepared
Co-Ni-Ga nanoparticles do not show the martensitic phase transition, as revealed by
temperature-dependent x-ray diffraction (XRD) measurements. However, post-annealing
followed by ice quenching is found to trigger the formation of the martensitic phase in Co-Ni-Ga nanoparticles. The occurrence of the martensitic transition is attributed to the modified phase structure and the introduced stress due to annealing.
Keywords: phase transitions; magnetism; x-ray and electron scattering
Last update: 13 November 2014